| PersistentObjectFieldSortOperator Enumeration |
Describes a persistent object field sort operator.
Namespace: ObujekutoruAssembly: obujekutoru (in obujekutoru.dll) Version: 1.0.0.19089 (1.0.0.*)
Syntax public enum PersistentObjectFieldSortOperator
Public Enumeration PersistentObjectFieldSortOperator
public enum class PersistentObjectFieldSortOperator
type PersistentObjectFieldSortOperator
Members
| Member name | Value | Description |
---|
| None | 0 |
Value used for initialization.
|
| Ascending | 1 |
Sort ascending operator.
|
| Descending | 2 |
Sort descending operator.
|
Examples using System;
using System.Collections;
using System.Collections.Generic;
using Obujekutoru;
namespace ObujekutoruExamples.PersistentObjectFieldSortOperatorExample
{
class Program
{
static void Main(string[] args)
{
String dataFolderPath = @"C:\Temp\ObujekutoruData";
EncryptionType encryptionType = EncryptionType.DESEncryption;
String encryptionKey = "A proavo habui, quod publicos litterarum ludos non frequentavi, et domi bonis praeceptoribus usus...";
List<PersistentObject> persistentObjects;
using (Connection connection = new Connection(dataFolderPath, encryptionType, encryptionKey, true))
{
PersistentObjectE persistentObjectE1 = new PersistentObjectE("persistent object E1", 1);
PersistentObjectE persistentObjectE2 = new PersistentObjectE("persistent object E2", 2);
PersistentObjectE persistentObjectE3 = new PersistentObjectE("persistent object E3", 3);
PersistentObjectE persistentObjectE4 = new PersistentObjectE("persistent object E4", 4);
PersistentObjectE persistentObjectE5 = new PersistentObjectE("persistent object E5", 5);
PersistentObjectE persistentObjectE6 = new PersistentObjectE("persistent object E6", 6);
PersistentObjectE persistentObjectE7 = new PersistentObjectE("persistent object E7", 7);
PersistentObjectE persistentObjectE8 = new PersistentObjectE("persistent object E8", 8);
PersistentObjectE persistentObjectE9 = new PersistentObjectE("persistent object E9", 9);
connection.InsertPersistentObject(persistentObjectE1);
connection.InsertPersistentObject(persistentObjectE2);
connection.InsertPersistentObject(persistentObjectE3);
connection.InsertPersistentObject(persistentObjectE4);
connection.InsertPersistentObject(persistentObjectE5);
connection.InsertPersistentObject(persistentObjectE6);
connection.InsertPersistentObject(persistentObjectE7);
connection.InsertPersistentObject(persistentObjectE8);
connection.InsertPersistentObject(persistentObjectE9);
persistentObjects = connection.SelectPersistentObject(
typeof(PersistentObjectE),
PersistentObjectFieldFilterCollection.Empty().And(
new PersistentObjectFieldFilter(
"persistentObjectName",
PersistentObjectFieldFilterOperator.GreaterOrEqualThan,
"persistent object E4")).And(
new PersistentObjectFieldFilter(
"persistentObjectValue",
PersistentObjectFieldFilterOperator.LessOrEqualThan,
6)),
PersistentObjectFieldSorterCollection.Empty().And(
new PersistentObjectFieldSorter(
"persistentObjectName",
PersistentObjectFieldSortOperator.Ascending)),
1, Int32.MaxValue);
Console.WriteLine("persistentObjects[0] = {0}", (persistentObjects[0] as PersistentObjectE).PersistentObjectName);
Console.WriteLine("persistentObjects[1] = {0}", (persistentObjects[1] as PersistentObjectE).PersistentObjectName);
Console.WriteLine("persistentObjects[2] = {0}", (persistentObjects[2] as PersistentObjectE).PersistentObjectName);
}
}
}
[PersistentObject("PersistentObjectE")]
internal class PersistentObjectE : PersistentObject
{
[PersistentObjectField("persistentObjectName", true)]
private String _persistentObjectName;
[PersistentObjectField("persistentObjectValue", true)]
private Int32 _persistentObjectValue;
public PersistentObjectE()
{ }
public PersistentObjectE(String persistentObjectName, Int32 persistentObjectValue)
{
_persistentObjectName = persistentObjectName;
_persistentObjectValue = persistentObjectValue;
}
public String PersistentObjectName
{
get { return _persistentObjectName; }
set
{
_persistentObjectName = value;
_isDirty = true;
_updated = DateTime.UtcNow;
}
}
public Int32 PersistentObjectValue
{
get { return _persistentObjectValue; }
set
{
_persistentObjectValue = value;
_isDirty = true;
_updated = DateTime.UtcNow;
}
}
}
}
See Also